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Chip Integration Technology Corporation
T0516ST
Ultra-Low Capacitance ESD Protection Device
Features
Applications
Transient protection for super-speed data lines
IEC 61000-4-2 (ESD) ±25kV (Air)
±17kV (Contact)
IEC 61000-4-2(EFT) 40A(5/50 ns)
Cable Discharge Event (CDE)
ESD protection for super-speed differential signal
(above 5Gb/s) channels
Fast turn-on and low clamping voltage
Protects six data lines and one VCC line
Ultra-low capacitance: 0.5pF Typical (I/O - I/O)
Low leakage current: 0.1uA @ VRWM (Typical)
Back-drive protection for power-down mode
Each I/O pin cann withstand over 1000 ESD
strikes for ±8kV contact discharge
Description
USB3.0 Power and Data Line Protection
Desktops, Servers and Notebooks
MDDI Ports
Display Ports
High Definition Multi-Media Interface (HDMI)
Digital Visual Interfaces (DVI)
Mechanical Characteristics
DFN4120-10L package
Flammability Rating: UL 94V-0
Packaging: Tape and Reel
Circuit Diagram
VCC
T0516ST is an ultra-low capacitance Transient
Voltage Suppressor (TVS) designed to provide
electrostatic discharge (ESD) protection for super-
speed data interfaces. With typical capacitance of
0.5pF only, T0516ST is designed to protect
parasitic-sensitive systems against over-voltage and
over-current transient events. It complies with IEC
61000-4-2 (ESD), Level 4 (±15kV air, ±8kV contact
discharge), IEC 61000-4-4 (electrical fast transien-t -
EFT) (40A, 5/50 ns), very fast charged device model
(CDM) ESD and cable discharge event (CDE), etc.
1 45
6
9 GND
Pin Configuration
I/O_1
7 10
I/O_6
2
T0516ST uses an DFN4120-10L package..Each
T0516ST device can protect six super-speed data
lines and one VC. C line. The combined features of ultra-
low capacitance, small size and high ESD robustness
make T0516ST ideal for super-speed data ports and
high-frequency lines (e.g., HDMI & DVI) applicatio.ns.
The low clamping voltage of the T0516ST guarantees
a minimum stress on the protected IC.
VCC
NC
GND
I/O_2
I/O_3
NC
I/O_5
I/O_4
DFN4120-10L
(Top View, not to scale)
Document ID : DS-22V08
Revised Date : 2016/08/29
1 Revision : C

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Chip Integration Technology Corporation
T0516ST
Ultra-Low Capacitance ESD Protection Device
Absolute Maximum Rating
Symbol
V ESD
TOPT
TSTG
Parameter
ESD per IEC 61000-4-2 (Air)
ESD per IEC 61000-4-2 (Contact)
Operating Temperature
Storage Temperature
Electrical Characteristics (T=25 oC)
Symbol
Parameter
VRWM Nominal Reverse Working Voltage
IR Reverse Leakage Vurrent @ VRWM
VBR Reverse Bearkdown Voltage @ IT
IT Test Current for Reverse Breakdown
VC Clamping Voltage @ I PP
IPP Maximum Peak Pulse Current
CESD Parasitic Capacitance
VR Reverse Voltage
f Small Signal Frequency
IF Forward Current
VF Forward Voltage @ I F
Value
±25
±17
-55 / +125
-55 / +150
Units
kV
oC
o
C
Current
IF
VC VBR VRWM
IIRT VF Voltage
I PP
Uni-Directional TVS
Symbol
V RWM
IR
VBR
VC
C ESD
C ESD
Test Condition
VRWM = 5V, T = 25 oC
Between Any Pin and GND
IT = 1mA
Between Any Pin and GND
IPP = 1A, tp= 8/20μs
Between Any Pin and GND
VR = 0V, f = 1MHz
Between Any Pin and GND
VR = 0V, f = 1MHz
Between I/O and I/O
Minimum Typical Maximum
5.0
0.1 1.0
6.0 8.0 10.0
12
0.5
0.1
Units
V
μA
V
V
pF
pF
Document ID : DS-22V08
Revised Date : 2016/08/29
2 Revision : C

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Chip Integration Technology Corporation
T0516ST
Ultra-Low Capacitance ESD Protection Device
Voltage Sweeping of I/O to GND
Insertion Loss S21 of I/O to GND
0.12
0.10
0.08
0.06
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
-0.10
-0.12
-2 -1 0 1 2 3 4 5 6 7 8 9
Voltage (V)
5.0
0.0
-5.0
-10.0
-15.0
-20.0
-25.0
-30.0
1.0E+06
1.0E+07
1.0E+08
Frequency (Hz)
1.0E+09
1.0E+10
Capacitance vs. Voltage of I/O to GND (f=1MHz)
Capacitance vs. Reverse Voltage
Normalized Capacitance vs. Reverse Voltage
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0
1234
Reverse Voltage (V)
5
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0
1234
Reverse Voltage (V)
5
ESD Clamping of I/O to GND
(+8kV Contact per IEC 61000 -4-2)
ESD Clamping of I/O to GND
(-8kV Contact per IEC 61000 -4-2)
70.0
60.0
50.0
40.0
30.0
20.0
10.0
0.0
-10.0
-20.0
-50
0
50 100 150 200
Time (ns)
20.0
10.0
0.0
-10.0
-20.0
-30.0
-40.0
-50.0
-60.0
-70.0
-50
0
50 100 150 200
Time (ns)
Document ID : DS-22V08
Revised Date : 2016/08/29
3 Revision : C

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Chip Integration Technology Corporation
T0516ST
Ultra-Low Capacitance ESD Protection Device
Application Information
Pin Connection in PCB
T0516ST provides ESD protection for six data lines
and one power rail line simultaneously. The pin
connection is shown in Figure 1.
Six parallel data lines, from inner IC to I/O port
connector, could connect to T0516ST six I/O pins
directly. Pin 9 of T0516ST is the GND pin, which
should connect to the GND of PCB. The wire should
be as short as possible in order to minimize the
parasitic inductance. Pin 2 of T0516ST is the VCC
pin, which should connect to the VCC rail of PCB.
I/O1
To Connector
I/O2
0.1 F
VCC
1
2
3
I/O3
I/O4
To Connector
I/O5
I/O6
4
5
In some cases, systems are not allowed to be reset or
restart after zapping ESD stress at the I/O port connector
Under this situation, to enhance the sustainable ESD
level, a 0.1uF capacitor can be used berween the VCC
and GND rails. Place the capacitor as close as possible
to T0516ST.
.
In some cases, VCC rail is not presented on the PCB.
Under this situation, the pin 2 of T0516ST can be left
as floating. The pin connection is show
To Inner IC
10
9
GND
8
7
To Inner IC
6
Figure 1 T0516ST pin connection in PCB providing data lines
and power rail line protection.
I/O1
To Connector
I/O2
1
VCC floated 2
3
I/O3
I/O4
To Connector
I/O5
I/O6
4
5
To Inner IC
10
9
GND
8
7
To Inner IC
6
Figure 2 T0516ST pin connection in PCB providing data line protection.
VCC pin is left as floating when no VCC rail is presented in PCB
Document ID : DS-22V08
Revised Date : 2016/08/29
4 Revision : C

No Preview Available !

Chip Integration Technology Corporation
T0516ST
Ultra-Low Capacitance ESD Protection Device
Application Information
USB3.0 Protection for Super Speed Differential signals
T0516ST provides ESD protection for super-speed
data lines. Thus, a lot of kids of high speed I/O ports
can be the applications of T0516ST, especially, the
USB3.0 port.
USB3.0 is expected to transmit and receive above
5Gb/s data, which needs differential signaling. For
differential signaling, keep the differential impedance
at constant is the most importance.
ESD protection devices have an inherent junction
capacitance. Usually, this added capacitance on a
USB3.0 port will drop the impedance of the
differential pair to interfere with the signaling.
T0516ST presents only 0.4pF maximum capacitance
to each differential signal while being rated to handle
8kV ESD contact/air discharges as outlined in IEC
61000-4-2and providing a low clamping voltage to
protect the downstream devices.
Therefore, T0516ST is the most suitable ESD
protector for USB3.0 I/O ports and other high speed.
above 5Gb/s, I/O ports in any electronic product.
Figure 3 shows the pin connection example for
USB3.0 I/O ports.
Rx+
To Connector
Rx-
VBus
1
2
3
Tx+
Tx-
To Connector
D+
D-
4
5
To Inner IC
10
9
GND
8
7
To Inner IC
6
Marking Codes
Figure 3 T0516ST pin connection for USB3.0 protection.
Ordering Information
7UYYWW
Pin1 Identification
Note:
(1) "7U" is part number, while "YYWW" is date code.
Part Number
Working
Voltage
Quantity
Per Reel
Reel Size
T0516ST 5V 3,000 7 Inch
Document ID : DS-22V08
Revised Date : 2016/08/29
5 Revision : C